Figure 1.

Haplogroup N1a phylogeny. The tree is rooted in macrohaplogroup N. Mutations are scored relative to the revised
Cambridge reference sequence (rCRS) [30]. The prefix "@" indicates back mutation, recurrent mutations are underlined, transversions
have a base suffix, "d" deletions and "+" insertions, and the poly(C) region in HVS1
and -2 as well as 16519 is excluded. Sequences 1-2, 7-12, 14-17, are new while others
have been previously reported [9,31-33]. Samples names are denoted by numerals and their origin is described in the material
and methods section. The central European farmer samples N1a type affinities with
respective subclades are mentioned on the top of the tree.